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Home >> Mercedes Benz >> 2002 >> C240 Automatic >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> A/C Compressor >> Air Compressor, Belt Drives -- 203 Chassis >> Testing & Repair >> Remove/install poly V-belt - AR13.22-P-1202QB

Remove/install poly V-belt - AR13.22-P-1202QB

ENGINE 272.920 in MODELS 203.052 /252 /752 

ENGINE 272.940 in MODELS 203.054 /254, 209.354 /454 

ENGINE 272.960 in MODELS 203.056 /256 /756, 209.356 /456 

ENGINE 272.970 in MODELS 203.087 /287 

ENGINE 272.941 in MODELS 203.092 /292 

ENGINE 273 in MODEL 209 

Fig 1: Identifying Poly V-Belt Remove/Install Components - Engine 272.920/940/941
G04732154
REMOVING Removing     
DANGER Risk of injury  caused by fingers being pinched or crushed  when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof. Keep body parts and limbs well clear of moving parts. AS00.00-Z-0011-01A
1 Open engine hood and raise to vertical position Model 203 AR88.40-P-1000P
    Model 209 AR88.40-P-1000Q
2 Remove front engine cover (1) IMPORTANT Pull out the front engine cover (1) from the mounts.  
3 Loosen poly-V-belt (2) and remove IMPORTANT To do this, swivel tensioning device (3) in anti-clockwise direction at hexagon (4) (arrow). Remove the poly-V-belt (2) and slacken the tensioning device (3).  
INSPECT Checking     
4 Inspect belt pulley sections, tensioning device (3) and guide pulleys (5) Check for wear, damage or soiling and replace if necessary: ↓  
    Remove/install poly V-belt tensioning device AR13.25-P-3200QB 
    Remove/install poly-V-belt guide pulley AR13.21-P-3350QB 
5 Check poly-V belt (2) and replace if required    
REFER TO MAINTENANCE Check poly-V-belt in visible area for wear Model 203, 209 with engine 272 AP13.22-P-1352PIT
REFER TO MAINTENANCE   Model 209 with engine 273 AP13.22-P-1352RX
INSTALLING Install     
6 Mount poly-V-belt (2) and tension it. IMPORTANT To do this, swivel tensioning device (3) in anti-clockwise direction at hexagon (4) (arrow). Mount poly-V-belt (2) as shown on routing diagram and release tensioning device (3).  
    Routing diagram of poly V-belt
NOTES Do not use wax or similar products, as this may cause poly-V-belt (2) to slip.
AR13.22-P-3902-02VA 
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the running engine Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.
AS00.00-Z-0005-01A
7 Perform engine test run and check for correct seating of the poly-V-belt (2)    
8 Install front engine cover (1)    
9 Close engine hood Model 203 AR88.40-P-1000P
    Model 209 AR88.40-P-1000Q